public class IntegerDemo
{
    public static void main (String[] args)
    {
        int data1 = 10;
        int data2 = 20;
        Integer wrapper=10;
       int foo=wrapper;
        System.out.println(data1/3);
        System.out.println(wrapper.doubleValue()/3);
        System.out.println(wrapper.compareTo(foo));
    }

}